18129885

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 30277632

約数和(自身を除く): 12147747

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 307, 381, 465, 635, 921, 1535, 1905, 3937, 4605, 9517, 11811, 19685, 28551, 38989, 47585, 59055, 116967, 142755, 194945, 584835, 1208659, 3625977, 6043295, 18129885]

約数ペア:

[(1, 18129885), (3, 6043295), (5, 3625977), (15, 1208659), (31, 584835), (93, 194945), (127, 142755), (155, 116967), (307, 59055), (381, 47585), (465, 38989), (635, 28551), (921, 19685), (1535, 11811), (1905, 9517), (3937, 4605)]